Today the Catholic Church celebrates the Feast of the Immaculate Conception. The dogma of the Immaculate Conception was proclaimed by Pope Pius IX on December 8, 1854, and the event was noted in the Provincial Annals for that year.
1854. A great year in the annals of Holy Mother Church! A great, consoling year for every Catholic heart, for it was on the 8th of December of this year, our Holy Father, Pius the ninth, gloriously reigning, proclaimed the dogma of the Immaculate Conception of Mary, our beautiful Mother, our Queen. We had never doubted this glorious privilege of our Mother, but new we have the merit of believing it as an article of faith.
Read the English text of Ineffabilis Deus, Apostolic Constitution of Pope Pius IX, December 8, 1854, proclaiming the dogma of the Immaculate Conception (from http://www.papalencyclicals.net)
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